CN107408008B - Zoom control method, system, device and memory, aircraft - Google Patents
Zoom control method, system, device and memory, aircraft Download PDFInfo
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- CN107408008B CN107408008B CN201580071382.XA CN201580071382A CN107408008B CN 107408008 B CN107408008 B CN 107408008B CN 201580071382 A CN201580071382 A CN 201580071382A CN 107408008 B CN107408008 B CN 107408008B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008859 change Effects 0.000 claims abstract description 99
- 230000006399 behavior Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
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- General Engineering & Computer Science (AREA)
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- User Interface Of Digital Computer (AREA)
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Abstract
A kind of Zoom control method, Zoom control system (12), zooming control device, memory (11) and aircraft (200), the Zoom control method includes: the slide received to the sliding part (151) of default zoom switch (150), is accordingly moved (S502) in sliding area (152) since initial position to control the sliding part (151) according to the slide；According to the distance between the sliding part (151) and the initial position difference, the rate of change (S503) of zoom magnification is determined；(S504) is changed with the value that identified rate of change controls the zoom magnification；At the end of this slide, zoom magnification (S505) achieved at the end of this slide is kept.
Description
Technical field
The present invention relates to data processing technique, in particular to a kind of Zoom control method, system, device and memory,
Aircraft.
Background technique
Zoom in existing digital camera is controlled still in the old model for being mainly directed towards photograph taking by being manually operated
Zoom processed is likely to result in operational inconvenience for users in this way.Especially two fingers are simultaneously carried out simultaneously in video record to put
Big triggering zoom, it is unsmooth to shoot the picture come, have apparent Caton with it is uncontrollable.
Summary of the invention
In view of this, it is necessary to a kind of filming apparatus and its Zoom control method, system are proposed, to solve the above problems.
A kind of Zoom control method is applied on electronic device, which includes default zoom switch, the default change
Focal switch includes sliding part and sliding area, method includes the following steps: receiving the sliding part to the default zoom switch
Slide, to control the sliding part of the default zoom switch according to the slide since initial position described
It is accordingly moved in sliding area；According to the distance between the sliding part and the initial position difference, zoom times is determined
Several rate of changes；It is changed with the value that identified rate of change controls the zoom magnification；When this slide knot
Shu Shi keeps zoom magnification achieved at the end of this slide.
In some embodiments, at the end of the slide, it is past with preset movement speed to control the sliding part
The initial position is mobile.
In some embodiments, the distance between the sliding part and the initial position difference are bigger, the sliding part
The movement speed mobile toward the initial position is bigger.
In some embodiments, the Zoom control method includes obtaining zoom limiting value, and work as zoom magnification and reach
When preset zoom limiting value, zoom magnification no longer changes.
In some embodiments, the sliding area includes the first sliding area and the second sliding area, and this method is into one
Step includes: when the sliding part is mobile toward first sliding area from the initial position, with identified rate of change
The value for controlling the zoom magnification increases；Or
When the sliding part is mobile toward second sliding area from the initial position, with identified rate of change
The value for controlling the zoom magnification reduces or remains unchanged.
In some embodiments, this method further include:
If exporting when the sliding part is located at first sliding area at the end of slide with achieved
Zoom magnification executes the first control instruction of the first zoom operation；When if the sliding part is located at the end of the slide
Second sliding area, output execute the second control instruction of the second zoom operation with zoom magnification achieved.
In some embodiments, when the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the cunning
Dynamic the distance between portion and the initial position difference is bigger, and the rate of change for controlling the zoom magnification is bigger.
In some embodiments, when the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold
When, the rate of change for controlling the zoom magnification is gradually reduced.
In some embodiments, this method further include: at the end of the slide, keep institute at the end of slide
The zoom magnification reached, and export the control instruction that zoom operation is executed with the zoom magnification.
In some embodiments, this method further include: display includes the graphic user interface of default zoom switch.
A kind of Zoom control system, runs on electronic device, which includes default zoom switch, the default change
Focal switch includes sliding part and sliding area, which includes: receiving module, for receiving the cunning to the default zoom switch
The slide in dynamic portion；Control module, for controlling the sliding part of the default zoom switch according to the slide from first
Beginning position starts accordingly to be moved in the sliding area；Determining module, for being opened when the sliding part from initial position
When beginning accordingly moves in the sliding area, according to the distance between the sliding part and the initial position difference, determine
The rate of change of zoom magnification；The control module is also used to control the value of the zoom magnification with identified rate of change
It changes；Output module, for keeping zoom achieved at the end of this slide at the end of this slide
Multiple.
In some embodiments, at the end of the slide, the control module controls the sliding part with default
Movement speed it is mobile toward the initial position.
In some embodiments, the distance between the sliding part and the initial position difference are bigger, the sliding part
The movement speed mobile toward the initial position is bigger.
In some embodiments, the control module obtains default zoom limiting value, when the zoom magnification reaches zoom
When limiting value, zoom magnification no longer changes.
In some embodiments, the sliding area includes the first sliding area and the second sliding area, when the sliding
When first sliding area of the portion from the initial position toward the sliding area is mobile, the control module is with identified variation
The value of zoom magnification described in rate control increases；Or
When the sliding part is mobile toward second sliding area from the initial position, the control module with really
The value that fixed rate of change controls the zoom magnification reduces or remains unchanged.
In some embodiments, if when the sliding part is located at first sliding area at the end of slide
Domain, the output module output execute the first control instruction of the first zoom operation with zoom magnification achieved；When the cunning
If dynamic portion is located at second sliding area at the end of slide, the output module output is with zoom achieved
Multiple executes the second control instruction of the second zoom operation.
In some embodiments, the control module is used for: when the zoom magnification and the difference of zoom limiting value are greater than
When preset threshold, the distance between the sliding part and the initial position difference are bigger, control the variation of the zoom magnification
Rate is bigger.
In some embodiments, the control module is used for: when the zoom magnification and the difference of zoom limiting value are less than
Or when being equal to the preset threshold, the rate of change for controlling the zoom magnification is gradually reduced.
In some embodiments, the output module is used for: at the end of the slide, slide being kept to terminate
When zoom magnification achieved, and export the control instruction that zoom operation is executed with the zoom magnification.
In some embodiments, which further includes display module, and the display module includes default zoom for showing
The graphic user interface of switch.
In some embodiments, which includes default zoom switch, the default zoom switch include sliding part and
Sliding area, the zooming control device include processor, and the processor is used for: receiving the sliding to the default zoom switch
The slide in portion, to control the sliding part of the default zoom switch according to the slide since initial position in institute
It states and is accordingly moved in sliding area；According to the distance between the sliding part and the initial position difference, zoom is determined
The rate of change of multiple；It is changed with the value that identified rate of change controls the zoom magnification；When this slide
At the end of, keep zoom magnification achieved at the end of this slide.
In some embodiments, the processor is specifically used for: at the end of the slide, controlling the sliding part
It is mobile toward the initial position with preset movement speed.
In some embodiments, the processor is specifically used for: the distance between the sliding part and the initial position
Difference is bigger, and it is bigger toward the mobile movement speed of the initial position to control the sliding part.
In some embodiments, the processor is specifically used for: obtaining default zoom limiting value, becomes when zoom magnification reaches
When telephoto limit value, control zoom magnification no longer changes.
In some embodiments, the sliding area includes the first sliding area and the second sliding area, the processor
It is specifically used for: when the sliding part is mobile toward first sliding area from the initial position, with identified variation speed
The value that rate controls the zoom magnification increases；Or
When the sliding part is mobile toward second sliding area from the initial position, with identified rate of change
The value for controlling the zoom magnification reduces or remains unchanged.
In some embodiments, the processor is specifically used for: if when the sliding part is at the end of the slide
Positioned at first sliding area, output executes the first control instruction of the first zoom operation with zoom magnification achieved；When
If the sliding part is located at second sliding area at the end of slide, output is held with zoom magnification achieved
Second control instruction of the second zoom operation of row.
In some embodiments, the processor is specifically used for:
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial bit
It is bigger the distance between to set difference, the rate of change for controlling the zoom magnification is bigger.
In some embodiments, the processor is specifically used for: when the zoom magnification and the difference of zoom limiting value are small
When the preset threshold, the rate of change for controlling the zoom magnification is gradually reduced.
In some embodiments, the processor is specifically used for: at the end of the slide, keeping slide knot
Zoom magnification achieved when beam, and export the control instruction that zoom operation is executed with the zoom magnification.
In some embodiments, the processor is specifically used for: controlling the electronic device and shows and opens including default zoom
The graphic user interface of pass.
A kind of Zoom control memory, for storing program instruction, described program instruction obtained by processor with execute with
Lower step: the slide to the sliding part of the default zoom switch is received, and described pre- according to slide control
If the sliding part of zoom switch is accordingly moved in the sliding area since initial position；When the sliding part is from first
It is poor according to the distance between the sliding part and the initial position when beginning position starts accordingly to move in the sliding area
Value, determines the rate of change of zoom magnification, and change with the value that identified rate of change controls the zoom magnification；When
This time at the end of slide, zoom magnification achieved at the end of this slide is kept.
A kind of aircraft, the aircraft include the filming apparatus of remote terminal and aircraft end, which includes pre-
If zoom switch, which includes sliding part and sliding area, and the remote terminal is used for: being received to described default
The slide of the sliding part of zoom switch, and the sliding part of the default zoom switch is controlled from first according to the slide
Beginning position starts accordingly to be moved in the sliding area；According to the distance between the sliding part and the initial position
Difference determines the rate of change of zoom magnification；It is changed with the value that identified rate of change controls the zoom magnification；When
This time at the end of slide, zoom magnification achieved at the end of this slide is kept.
In some embodiments, the remote terminal is also used to: generating zoom instructions information；
The zoom instructions information is provided to the filming apparatus；The filming apparatus is according in the zoom instructions information
Parameter carry out zoom.
In some embodiments: the remote terminal is also used to: at the end of the slide, keeping the sliding behaviour
Zoom magnification achieved at the end of work, and the zoom magnification is supplied to the filming apparatus.
In some embodiments: the remote terminal further includes display element, includes default zoom switch for showing
Graphic user interface.
Zoom control method of the invention executes zoom operation in such a way that speed is controllable, so that user can be convenient
Ground executes zoom operation, so that it is more smooth to shoot the picture come, avoids shooting picture and Caton occurs and ask with uncontrollable
Topic.
Detailed description of the invention
Fig. 1 is a kind of the functional block diagram of electronic device of the embodiment of the present invention.
Fig. 2 is a kind of the functional block diagram of Zoom control system of the embodiment of the present invention.
Fig. 3 is a kind of graphic user interface schematic diagram of electronic device of the embodiment of the present invention.
Fig. 4 is the connection schematic diagram of the aircraft of the embodiment of the present invention, remote terminal, filming apparatus.
Fig. 5 is a kind of flow diagram of Zoom control method of the embodiment of the present invention.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Specifically, referring to Fig. 1, being a kind of the functional block diagram of electronic device of the embodiment of the present invention.This compared with
In good embodiment, the electronic device 1 may include, but be not limited to the memory 11 being electrically connected with each other, Zoom control system
12, processor 13, display device 14.
The processor 13 is used to execute the function of each functional module in the Zoom control system 12.The Zoom control
System 12 is mounted in the memory 11 in the form of software program or instruction, and is executed by the processor 13.In some realities
Apply in example, the processor 13 can be central processing unit (Central Processing Unit, CPU), microprocessor or its
His data processing chip.
The memory 11 is used to store the Various types of data and/instruction of the electronic device 1.The memory 11 can be
The internal storage of the electronic device 1, can also be removable memory, such as removable media card, external USB flash disk, and its
His flash memory or storage equipment etc..In the preferred embodiment, the memory 11 is for storing the Zoom control system 12
Program instruction.
The display device 14 is used to show all kinds of visualized datas of the electronic device 1, such as the electronic device 1
Captured scene.In the preferred embodiment, the display device 14 is for showing graphic user interface (Graphical
User Interface, GUI) 15.The display device 14 can be touch screen, such as capacitive touch screen or resistance-type touching
Touch any suitable touch screens such as screen.In other preferred embodiments, the display device 14 is also possible to other kinds of aobvious
Display screen.
In the preferred embodiment, the Zoom control system 12 can be divided into one or more modules, and described one
A or multiple modules be stored in the memory 11 and be configured to by one or more processors (the present embodiment be one
Processor 13) it executes.The electronic device 1 can automatically control the speed of the zoom operation using the Zoom control system 12
Degree executes zoom operation in speed controllable mode.
In the preferred embodiment, the electronic device 1 can be used as zooming control device.It should be noted that the electricity
Sub-device 1 can not have image camera function, for example, to can be remote controler of aircraft etc. all kinds of any for the electronic device 1
The zoom parameters handled well are sent to the filming apparatus etc. of aircraft by applicable device.In a further preferred embodiment, described
Electronic device 1 can have image camera function, that is, the electronic device 1 be filming apparatus, including camera lens/lens group, at pixel
The types of functionality element (not shown in figure 1)s such as part, image operation chip are to realize the shooting function of the electronic device 1.
As shown in fig.2, being the functional block diagram of the preferred embodiment of Zoom control system 12 of the present invention.The zoom control
System 12 processed includes at least, but is not limited to, display module 120, receiving module 122, determining module 124, control module 126 and defeated
Module 128 out.Above-mentioned each functional module is to complete each program segment of specific function, than software program itself more suitable for description
The implementation procedure of software in a computer such as executes in the processor 13 of electronic device 1, therefore the present invention is to software program
Description is all described with module.In addition, above-mentioned each functional module can also be realized by hardware, firmware (firmware) mode.
The display module 120 includes the Graphic User for presetting zoom switch 150 for display on a display device 14
Interface 15.The default zoom switch 150 is a slide switch control.The default zoom switch 150 includes a sliding part
151 and sliding area 152.The sliding part 151 can slide in the sliding area 152.It is described default under original state
Zoom switch 150 is located at an initial position in the sliding area 152.In the preferred embodiment, the sliding area
152 points are two parts, including the first sliding area 1521 and the second sliding area 1522.It is shown in Figure 3, the default change
The shape of focal switch 150 is a vertical bar shape, and the both ends of the vertical bar shape are semicircle.It is black in the default zoom switch 150
Color circle is the sliding part 151.In one embodiment, the sliding part 151 is located at the centre of the sliding area 152
(refering to shown in Fig. 3).Being located at the region on the sliding part 151 in the default zoom switch 150 is the first sliding area
1521, the region under the sliding part 151 is the second sliding area 1522.The user of the electronic device 1 can make
It is sliding from the initial position toward first sliding area 1521 or second that the sliding part 151 is drawn with finger or stylus etc.
Dynamic region 1522 is mobile.In a preferred embodiment, in the default zoom switch 150 in the operation of sliding part 151, institute
It states and joined user interface damping on graphic user interface 15, so that user is operating the sliding part 151 toward sliding area
The obstruction of 152 movement is increasing, and user is made to realize the feeling of obstruction.
In other preferred embodiments, the shape of the default zoom switch 150 is not limited to shape as shown in Figure 3
Shape.The default zoom switch 150 can be tool round bar shape jaggy, be drawn the round bar shape using the sliding part 151
It is divided into two sliding areas.
In a further embodiment, the default zoom switch 150 further include multiple zoom magnification bars 153 (such as
Shown in hyphen item in Fig. 3), to indicate the change of a zoom magnification corresponding to current location in the sliding area 152
Change rate.
The receiving module 122 or the processor 13 are used to receive the slide to the default zoom switch 150,
And phase is carried out since the initial position according to the sliding part 151 that the slide controls the default zoom switch 150
It should move.In one embodiment, the receiving module 122 or processor 13 are for receiving user dilatory institute on a display device 14
The touch control operation for stating sliding part 151, it is corresponding according to the coordinate that the finger of the user or stylus pass through on a display device 14
Ground controls the sliding part 151 and moves in first sliding area 1521 or the second sliding area 1522.In an embodiment party
In formula, when receiving operation of the sliding part 151 for controlling the default zoom switch 150 toward first direction movement, the control
Molding block 126 or processor 13 control the sliding part 151 and move in the first sliding area 1521 of the default zoom switch
It is dynamic；When receiving operation of the sliding part 151 for controlling the default zoom switch 150 toward second direction movement, the control
Module 126 or processor 13 control the sliding part 151 and move in the second sliding area 1522 of the default zoom switch.
The determining module 124 or processor 13 are used to move since the initial position when the control sliding part 151
While dynamic, according to the distance between the sliding part 151 and initial position difference, the variation speed of zoom magnification is determined
Rate.In the preferred embodiment, the different distance difference between the sliding part 151 and the initial position have one it is corresponding
Rate of change.In one embodiment, the distance between the sliding part 151 and the initial position difference are bigger, described
The rate of change of zoom magnification is bigger.It is different between the sliding part 151 and the initial position in other preferred embodiments
The distance difference of range can be corresponding with a rate of change.
It is appreciated that the determining module 124 or processor 13 are according to the sliding when sliding the sliding part 151
The distance relation of portion 151 and initial position determines zoom magnification.Specifically, in the sliding part 151 of the zoom switch 150 from first
Beginning position starts when the first sliding area 1521 and the second sliding area 1522 slide, and zoom magnification constantly changes, and the change
The rate of change of burnt multiple directly proportional, linear relationship, non-linear relation etc. at a distance from sliding part 151 and initial position.
The control module 126 or processor 13 are used for when determining the rate of change of the zoom magnification, to determine
Rate of change control the value of the zoom magnification and change.
In preferably implementing one, when the control module 126 or processor 13 control the zoom magnification and change, institute
A graphical control can be shown by stating in display device 14, with real-time display, the value of the continually changing zoom magnification, makes user
Current zoom magnification achieved can be understood in time.
Wherein, in one embodiment, when the sliding part 151 is from the initial position toward first sliding area 1521
When mobile, the control module 126 or processor 13 are increased with the value that identified rate of change controls the zoom magnification.When
When the sliding part 151 is mobile toward second sliding area 1522 from the initial position, the control module 126 or processing
Device 13 is reduced with the value that identified rate of change controls the zoom magnification or keeps the value of the zoom magnification constant.
The output module 128 or processor 13 obtain zoom magnification achieved at the end of this slide, and protect
Hold the zoom magnification at the end of this.
It is appreciated that zoom magnification constantly changes during sliding part 151 slides, and output module 128 and processing
Device 13 constantly obtains the zoom magnification after the variation.When filming apparatus and display device 14 are integrated on the same electronic device 1
When, the zoom magnification that the output module 128 will acquire is sent to control module 126, and the processor 13 then directly acquires
The zoom magnification, periodically or output in real time executes the control instruction of zoom operation with the zoom magnification；Work as filming apparatus
With display device 14 not when in the same equipment, if filming apparatus is the video camera at aircraft end, and display device 14 is movement
Terminal or remote controler, then after the processor 13 on 14 place device of display device obtains the zoom magnification, by the zoom times
Number is sent to aircraft end to execute the zoom operation, or is sent to aircraft end by output module 128.In the present embodiment, with solid
Interval transmission zoom magnification fix time to the aircraft end.It is appreciated that fixed zoom magnification ladder can also be separated by described
Output end sends practical zoom magnification, such as sends when zoom magnification is integer.
In the preferred embodiment, it is located at first sliding at the end of slide when the sliding part 151
When region 1521, output executes the first control instruction of the first zoom operation with zoom magnification achieved；When the sliding part
151 at the end of the slide be located at second sliding area 1522 when, output with zoom magnification achieved execution
Second control instruction of the second zoom operation.In one embodiment, first zoom operation can be described to be enlarged
Second zoom operation can be reduction operation.Wherein, when the electronic device 1 does not have shooting function, the processor 13
Above-mentioned control instruction can be sent to other devices (such as filming apparatus) being in communication with each other with the electronic device 1, it should with control
Other devices execute zoom operation.When the electronic device 1 has shooting function, the processor 13 can directly control phase
The element answered executes the zoom operation.
The control module 126 or the processor 13 are also used to control the sliding at the end of this slide
Portion 151 is mobile toward its initial position with preset movement speed.It should be noted that described in being left when the finger or stylus of user
When display device 14, indicate that this slide terminates.In one embodiment, the control module 126 can be according to the cunning
Position of the dynamic portion 151 where at the end of the slide in sliding area 152 determines a corresponding movement speed, controls institute
It states sliding part 151 and the initial position is back to the movement speed of the determination.Wherein, 151 position of sliding part from
The initial position is remoter, and movement speed corresponding to the position is bigger.
It should be noted that the control module 126 or processor 13 are controlling the zoom with identified rate of change
When the value of multiple increases, preset zoom limiting value can be first obtained.When the zoom magnification increases to the zoom limiting value,
The rate of change for determining the zoom magnification is zero, stops increasing the zoom magnification.In a preferred embodiment, when the increasing
When the zoom magnification added is close to the zoom limiting value (for example, between increased zoom magnification and the zoom limiting value
When difference is less than a preset value), it is gradually reduced the rate of change of the zoom magnification, to be smoothly transitted into the zoom limit
Value.Wherein, when the zoom magnification is close to the zoom limiting value, the processor 13 or control module 126 can control change
Rate variation of the burnt multiple to be gradually reduced, and at this point, the display device 14 can still continue according to frequency before to place
Manage device 13 send zoom magnification, and the processor 13 actually then according to it is another more slowly, the rate being gradually reduced is more
New zoom magnification, to realize the smooth transition for arriving extreme value；Alternatively, when close to zoom limiting value, the display device 14 with
More slowly, the frequency being gradually reduced sends zoom magnification to the processor 13, and the processor 13 receives and according to hair
The zoom magnification sent is updated.
If when the sliding part 151 were mobile toward the first sliding area 1521 from the initial position, the determining mould
Block 124 obtains preset zoom limiting value.The preset zoom limiting value is that (electronic device 1 has takes pictures electronic device 1
Function), or the maximum zoom magnification that can support of camera arrangement with the electronic device 1 communication connection.
Due to can only carry out diminution zoom operation when being exaggerated zoom operation, if when described
Sliding part 151 needs first to obtain current zoom magnification, right from the initial position toward when the movement of the second sliding area 1522
It is reduced.Specifically, if it is mobile from the initial position toward the second sliding area 1522 controlling the sliding part 151
Before, there is no generate with zoom magnification achieved execute the first zoom operation the first control instruction, i.e., before not into
Row amplification, even if the sliding part 151 is mobile from the initial position toward the second sliding area 1522 at this time, the determining module
124 determine that the zoom limiting value of the current zoom magnification is 1, keep the zoom magnification constant.If the sliding part 151 by
After first sliding area 1521 is back to the initial position, and according to further slide from the initial position toward
When second sliding area 1522 is mobile, the determining module 124 or processor 13 obtain zoom limiting value；And work as the zoom
It when multiple increases to the zoom limiting value, determines that the rate of change of the zoom magnification is zero, stops increasing the zoom times
Number.
It should be noted that the display module 120, the receiving module 122 can save in other preferred embodiments
Slightly.The default zoom switch 150 can be the slide switch component being arranged on electronic device 1.The default zoom switch 150
Have the function of sliding part (identical as the sliding part 151) and sliding groove (being equal to the sliding area 152), the sliding part
It can be moved in sliding groove.In a preferred embodiment, the sliding groove can also be divided further into the first sliding groove
With the second sliding groove.Further, the electronic device 1 further includes controlling the mobile element of the sliding part, the control cunning
Moving part returns to the element of the initial position and the determining module 124 can be according to the sliding part in the sliding groove
In position, when determining the rate of change of the zoom magnification and the control module 126 is with identified rate of change control
The value for making the zoom magnification changes.The output module 128 according to this slide at the end of zoom achieved
Multiple, output execute the control instruction of zoom operation with the zoom magnification.
Referring to Fig. 4, a kind of aircraft 200 includes the filming apparatus 203 of remote terminal 201 and aircraft end.It is described distant
The institute that above-mentioned electronic device 1 can be performed in control terminal 201 is functional, which includes that (figure is not for default zoom switch
Show), which includes sliding part and sliding area, and the remote terminal 201 is for receiving to the default zoom
The slide of the sliding part of switch, and the sliding part of the default zoom switch is controlled from initial bit according to the slide
Beginning is set accordingly to be moved in the sliding area；It is poor according to the distance between the sliding part and the initial position
Value, determines the rate of change of zoom magnification；It is changed with the value that identified rate of change controls the zoom magnification；When this
At the end of secondary slide, zoom magnification achieved at the end of this slide is kept.
The remote terminal 201 generates zoom instructions information；The zoom instructions information is provided to the filming apparatus
203；The filming apparatus 203 carries out zoom according to the parameter in the zoom instructions information.The remote terminal 201 can pass through
The zoom instructions are sent to the filming apparatus 203 by direct or indirect mode.
The remote terminal 201 further includes display element 205, includes the Graphic User for presetting zoom switch for showing
Interface.
It is a kind of flow chart 500 of Zoom control method preferred embodiment of the invention refering to Fig. 5.It should be noted that this
Invent step and sequence that the Zoom control method is not limited in flow chart shown in Fig. 5.According to different embodiments, Fig. 5
Step in shown flow chart can increase, remove or change sequence.In the preferred embodiment, the method 500 can be with
Since step S501.
Step S501, display include the graphic user interface of default zoom switch 150.Specifically, the display device
14 displays include the graphic user interface 15 of default zoom switch 150.In present embodiment, the default zoom switch 150
For a slide switch control.The default zoom switch 150 includes sliding part 151 and sliding area 152.The sliding part 151
It can be slided in the sliding area 152, the sliding area 152 is including an initial position and is located at initial position two sides
The first sliding area 1521 and the second sliding area 1522.Under original state, the default zoom switch 150 is located at the cunning
An initial position in dynamic region 152.The user of the electronic device 1 can be used finger or stylus etc. and draw the cunning
Dynamic portion 151 moves in first sliding area 1521 or the second sliding area 1522.It is appreciated that the zoom switch
150 can also be that can carry out zoom to pass through and slide the physical switches by the physical switches of the physics of slide.
Step S502 receives the slide to the sliding part of the default zoom switch 150, to be grasped according to the sliding
The sliding part for making to control the default zoom switch is accordingly moved in the sliding area since initial position.Specifically
Ground, the display device 14 receives the slide to the default zoom switch 150, and controls institute according to the slide
The sliding part 151 for stating default zoom switch 150 is accordingly moved.In one embodiment, described default when receiving control
The sliding part 151 of zoom switch 150 controls the sliding part 151 and slides described first toward when the mobile operation of first direction
It is moved in region 1521；When receiving the operation mobile toward second direction of the sliding part 151 that controls the default zoom switch 150
When, it controls the sliding part 151 and is moved in the second sliding area 1522 of the default zoom switch.
Step S503 determines the change of zoom magnification according to the distance between the sliding part and the initial position difference
Change rate.Specifically, while the control sliding part 151 is moved since the initial position, according to the sliding part
The distance between 151 and the initial position difference determine the rate of change of zoom magnification, and with identified rate of change
The value for controlling the zoom magnification changes.In the preferred embodiment, between the sliding part 151 and the initial position
Different distance difference have a corresponding rate of change.
In the present embodiment, zoom limiting value is preset according to factors such as the performance of processor 13, image qualities.When described
When the difference of zoom magnification and zoom limiting value is less than or equal to preset threshold, between the sliding part and the initial position
Distance difference is bigger, and the rate of change of the zoom magnification is bigger；When the zoom magnification and the difference of zoom limiting value are greater than
When the preset threshold, the rate of change of the zoom magnification is gradually reduced.Specifically, it is assumed that the maximum limit of zoom magnification
It is 10, minimum limit value 1.It is sliding from initial position to the first sliding area 1521 in the sliding part 151 of control zoom switch 150
During dynamic, when the difference between actual zoom magnification and zoom limiting value is greater than a certain preset threshold, such as the difference between the two
Greater than 1, i.e., when zoom magnification is less than or equal to 9, the sliding part 151 of zoom switch 150 gradually becomes at a distance from initial position
When big, the rate of change of zoom magnification is gradually increased；Be less than when the difference between actual zoom magnification and zoom limiting value or
When equal to a certain preset threshold, if the difference between the two is less than or equal to 1, i.e., when zoom magnification is greater than 9, the change of the zoom magnification
Change rate to be gradually reduced.After changing to zoom limiting value because of zoom magnification, rate of change will be 0, therefore close to the zoom pole
When limit value, the rate of change of zoom magnification is gradually reduced, it can be achieved that smooth transition.
Equally, in the sliding part 151 of control zoom switch 150 from initial position to 1522 sliding process of the second sliding area
In, when the difference between actual zoom magnification and zoom limiting value is greater than preset threshold, when such as 1, the variation speed of zoom magnification
Rate increases with increase of the sliding part 151 of zoom switch 150 at a distance from initial position；When actual zoom magnification and become
Difference between telephoto limit value is less than or equal to preset threshold, and when such as 1, the rate of change of zoom magnification is gradually reduced, thus real
Smooth transition when now changing toward zoom extreme value, and then guarantee that variation when shooting picture zooms in or out is more smooth.
It is appreciated that in other embodiments, the sliding part 151 is got over the distance between initial position difference
Greatly, the rate of change of the zoom magnification is bigger.In other preferred embodiments, the sliding part 151 and the initial position
Between the distance difference of different range can be corresponding with a rate of change.
Step S504 is changed with the value that identified rate of change controls the zoom magnification.Specifically, described
The sliding part 151 of zoom switch 150 is slided since initial position in the first sliding area 1521 and the second sliding area 1522
When, zoom magnification constantly changes, and the rate of change of the zoom magnification it is directly proportional at a distance from sliding part 151 and initial position,
Linear relationship, non-linear relation etc..
When filming apparatus and display device 14 integrate on one device, the processor 13 then directly acquires the change
Burnt multiple；When filming apparatus and display device 14 be not in the same equipment, such as the camera shooting that filming apparatus is aircraft end
Machine, and display device 14 is mobile terminal or remote controler, then after obtaining the zoom magnification, then needs to send out the zoom magnification
Aircraft end is given to execute corresponding zoom operation.In the present embodiment, zoom magnification is sent with Fixed Time Interval and is flown to described
Generator terminal.Practical zoom magnification is sent to the aircraft end it is appreciated that fixed zoom magnification ladder can also be separated by, such as works as zoom
Multiple is sent when being integer.
Step S505 keeps zoom magnification achieved at the end of this slide at the end of this slide.
Specifically, when user's finger or stylus decontrol the sliding part 151, this time zoom sliding terminates, the cunning
Initial position slides back automatically in dynamic portion 151, obtains zoom magnification achieved at the end of this zoom slide, and keeping should
Zoom magnification, and send the control instruction that the zoom magnification executes zoom operation to processor 13 or control module 126.It answers
Illustrate, when the sliding part 151 at the end of the slide be located at first sliding area 1521 when, generate with
Zoom magnification achieved executes the first control instruction of the first zoom operation；When the sliding part 151 is in the slide
At the end of be located at second sliding area 1522 when, generate with zoom magnification achieved execute the second zoom operation second
Control instruction.In one embodiment, first zoom operation can be to be enlarged, and second zoom operation can be
Reduction operation.
Due to can only carry out diminution zoom operation when being exaggerated zoom operation, if when described
Sliding part 151 needs first to obtain current zoom magnification, right from the initial position toward when the movement of the second sliding area 1522
It is reduced.Specifically, if it is mobile from the initial position toward the second sliding area 1522 controlling the sliding part 151
Before, there is no generate with zoom magnification achieved execute the first zoom operation the first control instruction, i.e., before not into
Row amplification, even if the sliding part 151 is mobile from the initial position toward the second sliding area 1522 at this time, the determining module
124 determine that the zoom limiting value of the current zoom magnification is 1, and determine that the rate of change of the zoom magnification is zero in turn, no
Increase the zoom magnification.If after the sliding part 151 is back to the initial position by the first sliding area 1521, and
According to further slide from the initial position toward when the movement of the second sliding area 1522, obtain in the first control instruction
Zoom magnification；And when the zoom magnification increases to the zoom limiting value, determine the rate of change of the zoom magnification
It is zero, stops increasing the zoom magnification.
It should be noted that in a further preferred embodiment, above-mentioned process step also can be omitted step S501 and S502, directly
It connects and executes step S503-505.
In several embodiments provided by the present invention, it should be understood that disclosed relevant apparatus and method, Ke Yitong
Other modes are crossed to realize.For example, the apparatus embodiments described above are merely exemplary, for example, the module or list
Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point is shown
The mutual coupling, direct-coupling or communication connection shown or discussed can be through some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that computer disposal
Device (processor) performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium packet above-mentioned
It includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random
Access Memory), the various media that can store program code such as disk or CD.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (26)
1. a kind of Zoom control method is applied on electronic device, which is characterized in that the electronic device includes that default zoom is opened
It closes, which includes sliding part and sliding area, method includes the following steps:
The slide to the sliding part of the default zoom switch is received, to control the default change according to the slide
The sliding part of focal switch is accordingly moved in the sliding area since initial position；
According to the distance between the sliding part and the initial position difference, the rate of change of zoom magnification is determined；
It is changed with the value that identified rate of change controls the zoom magnification；
At the end of this slide, zoom magnification achieved at the end of this slide is kept；
The Zoom control method includes obtaining zoom limiting value, when zoom magnification reaches preset zoom limiting value, zoom
Multiple no longer changes；
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial position it
Between distance difference it is bigger, the rate of change for controlling the zoom magnification is bigger；
When the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold, the zoom magnification is controlled
Rate of change be gradually reduced.
2. Zoom control method as described in claim 1, which is characterized in that at the end of the slide, described in control
Sliding part is mobile toward the initial position with preset movement speed.
3. Zoom control method as claimed in claim 2, which is characterized in that between the sliding part and the initial position
Distance difference is bigger, and the sliding part is bigger toward the mobile movement speed of the initial position.
4. Zoom control method as described in claim 1, which is characterized in that the sliding area include the first sliding area and
Second sliding area, this method further comprise: when the sliding part is moved from the initial position toward first sliding area
When dynamic, increased with the value that identified rate of change controls the zoom magnification；Or
When the sliding part is mobile toward second sliding area from the initial position, with the control of identified rate of change
The value of the zoom magnification reduces or remains unchanged.
5. Zoom control method as claimed in claim 4, which is characterized in that this method further include:
If exporting when the sliding part is located at first sliding area at the end of slide with zoom achieved
Multiple executes the first control instruction of the first zoom operation；If described in being located at the end of the slide when the sliding part
Second sliding area, output execute the second control instruction of the second zoom operation with zoom magnification achieved.
6. Zoom control method as described in claim 1, which is characterized in that this method further include: when the slide knot
Shu Shi is kept zoom magnification achieved at the end of slide, and exports the control for being executed zoom operation with the zoom magnification
Instruction.
7. Zoom control method as described in claim 1, which is characterized in that this method further include: display includes default zoom
The graphic user interface of switch.
8. a kind of Zoom control system, runs on electronic device, which is characterized in that the electronic device includes that default zoom is opened
It closes, which includes sliding part and sliding area, which includes:
Receiving module, for receiving the slide of the sliding part to the default zoom switch；
Control module, for controlled according to the slide sliding part of the default zoom switch since initial position
It is accordingly moved in the sliding area；
Determining module, for when the sliding part accordingly moves in the sliding area since initial position, according to institute
The distance between sliding part and the initial position difference are stated, determines the rate of change of zoom magnification；
The control module, the value for being also used to control the zoom magnification with identified rate of change change；
Output module, for keeping zoom magnification achieved at the end of this slide at the end of this slide；
The control module obtains default zoom limiting value, and when the zoom magnification reaches zoom limiting value, zoom magnification is not
Change again；
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial position it
Between distance difference it is bigger, the rate of change for controlling the zoom magnification is bigger；
When the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold, the zoom magnification is controlled
Rate of change be gradually reduced.
9. Zoom control system as claimed in claim 8, which is characterized in that at the end of the slide, the control
It is mobile toward the initial position with preset movement speed that module controls the sliding part.
10. Zoom control system as claimed in claim 9, which is characterized in that between the sliding part and the initial position
Distance difference it is bigger, the sliding part is bigger toward the mobile movement speed of the initial position.
11. Zoom control system as claimed in claim 8, which is characterized in that the sliding area includes the first sliding area
With the second sliding area, when first sliding area of the sliding part from the initial position toward the sliding area is mobile,
The control module is increased with the value that identified rate of change controls the zoom magnification；Or
When the sliding part is mobile toward second sliding area from the initial position, the control module is with identified
The value that rate of change controls the zoom magnification reduces or remains unchanged.
12. Zoom control system as claimed in claim 11, which is characterized in that when the sliding part is in the slide knot
Shu Shiruo is located at first sliding area, and the output module output executes the first zoom operation with zoom magnification achieved
The first control instruction；Described defeated when if the sliding part is located at second sliding area at the end of slide
Module output executes the second control instruction of the second zoom operation with zoom magnification achieved out.
13. Zoom control system as claimed in claim 8, which is characterized in that the output module is used for: when the sliding is grasped
At the end of work, zoom magnification achieved at the end of slide is kept, and export and zoom operation is executed with the zoom magnification
Control instruction.
14. Zoom control system as claimed in claim 8, which is characterized in that the system further includes display module, the display
Module is used to show to include the graphic user interface for presetting zoom switch.
15. a kind of zooming control device is applied on electronic device, which is characterized in that the electronic device includes that default zoom is opened
It closes, which includes sliding part and sliding area, which includes processor, and the processor is used
In:
The slide to the sliding part of the default zoom switch is received, to control the default change according to the slide
The sliding part of focal switch is accordingly moved in the sliding area since initial position；
According to the distance between the sliding part and the initial position difference, the rate of change of zoom magnification is determined；
It is changed with the value that identified rate of change controls the zoom magnification；
At the end of this slide, zoom magnification achieved at the end of this slide is kept；
The processor is specifically used for: default zoom limiting value is obtained, when the zoom magnification reaches zoom limiting value, and control
Zoom magnification no longer changes；
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial position it
Between distance difference it is bigger, the rate of change for controlling the zoom magnification is bigger；
When the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold, the zoom magnification is controlled
Rate of change be gradually reduced.
16. zooming control device as claimed in claim 15, which is characterized in that the processor is specifically used for: when the cunning
At the end of dynamic operation, it is mobile toward the initial position with preset movement speed to control the sliding part.
17. zooming control device as claimed in claim 16, which is characterized in that the processor is specifically used for: the sliding
The distance between portion and the initial position difference are bigger, control the sliding part movement speed mobile toward the initial position
It is bigger.
18. zooming control device as claimed in claim 15, which is characterized in that the sliding area includes the first sliding area
With the second sliding area, the processor is specifically used for: when the sliding part is from the initial position toward first sliding area
When domain is mobile, increased with the value that identified rate of change controls the zoom magnification；Or
When the sliding part is mobile toward second sliding area from the initial position, with the control of identified rate of change
The value of the zoom magnification reduces or remains unchanged.
19. zooming control device as claimed in claim 18, which is characterized in that the processor is specifically used for:
If exporting when the sliding part is located at first sliding area at the end of slide with zoom achieved
Multiple executes the first control instruction of the first zoom operation；If described in being located at the end of the slide when the sliding part
Second sliding area, output execute the second control instruction of the second zoom operation with zoom magnification achieved.
20. zooming control device as claimed in claim 15, which is characterized in that the processor is specifically used for: when the cunning
At the end of dynamic operation, zoom magnification achieved at the end of slide is kept, and exports and zoom behaviour is executed with the zoom magnification
The control instruction of work.
21. zooming control device as claimed in claim 15, which is characterized in that the processor is specifically used for:
It controls the electronic device and shows the graphic user interface including presetting zoom switch.
22. a kind of Zoom control memory, for storing program instruction, which is characterized in that described program instruction is obtained by processor
It takes to execute following steps:
The slide to the sliding part of default zoom switch is received, and the default zoom is controlled according to the slide and is opened
The sliding part of pass is accordingly moved in the sliding area since initial position；
When the sliding part accordingly moves in the sliding area since initial position, according to the sliding part with it is described
The distance between initial position difference determines the rate of change of zoom magnification, and controls the change with identified rate of change
The value of burnt multiple changes；
At the end of this slide, zoom magnification achieved at the end of this slide is kept；
Described program instruction also executes following steps after being obtained by processor: default zoom limiting value is obtained, when the zoom times
When counting to up to zoom limiting value, zoom magnification no longer changes；
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial position it
Between distance difference it is bigger, the rate of change for controlling the zoom magnification is bigger；
When the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold, the zoom magnification is controlled
Rate of change be gradually reduced.
23. a kind of aircraft, which includes the filming apparatus of remote terminal and aircraft end, which is characterized in that the remote control
Terminal includes default zoom switch, which includes sliding part and sliding area, and the remote terminal is used for:
The slide to the sliding part of the default zoom switch is received, and the default change is controlled according to the slide
The sliding part of focal switch is accordingly moved in the sliding area since initial position；
According to the distance between the sliding part and the initial position difference, the rate of change of zoom magnification is determined；
It is changed with the value that identified rate of change controls the zoom magnification；
At the end of this slide, zoom magnification achieved at the end of this slide is kept；
The remote terminal is also used to: default zoom limiting value is obtained, when the zoom magnification reaches zoom limiting value, and zoom
Multiple no longer changes；
When the difference of the zoom magnification and zoom limiting value is greater than preset threshold, the sliding part and the initial position it
Between distance difference it is bigger, the rate of change for controlling the zoom magnification is bigger；
When the difference of the zoom magnification and zoom limiting value is less than or equal to the preset threshold, the zoom magnification is controlled
Rate of change be gradually reduced.
24. aircraft as claimed in claim 23, which is characterized in that the remote terminal is also used to:
Generate zoom instructions information；
The zoom instructions information is provided to the filming apparatus；
The filming apparatus carries out zoom according to the parameter in the zoom instructions information.
25. aircraft as claimed in claim 23, it is characterised in that: the remote terminal is also used to: when the slide
At the end of, zoom magnification achieved at the end of the slide is kept, and the zoom magnification is supplied to the shooting
Device.
26. aircraft as claimed in claim 23, it is characterised in that: the remote terminal further includes display element, for showing
Show the graphic user interface including presetting zoom switch.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/099768 WO2017113150A1 (en) | 2015-12-30 | 2015-12-30 | Zooming control method, system and device, memory, and aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107408008A CN107408008A (en) | 2017-11-28 |
| CN107408008B true CN107408008B (en) | 2019-06-07 |
Family
ID=59224231
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580071382.XA Expired - Fee Related CN107408008B (en) | 2015-12-30 | 2015-12-30 | Zoom control method, system, device and memory, aircraft |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107408008B (en) |
| WO (1) | WO2017113150A1 (en) |
Cited By (1)
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| CN110505400A (en) * | 2019-08-16 | 2019-11-26 | 维沃移动通信有限公司 | A kind of preview image display adjusting method and terminal |
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| JP6733106B2 (en) * | 2018-06-12 | 2020-07-29 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ | DETERMINING DEVICE, MOVING BODY, DETERMINING METHOD, AND PROGRAM |
| WO2020024214A1 (en) * | 2018-08-02 | 2020-02-06 | 深圳市大疆创新科技有限公司 | Aperture control method and apparatus, aperture device, and photographic device |
| CN109639971B (en) * | 2018-12-17 | 2021-01-08 | 维沃移动通信有限公司 | Shooting focal length adjusting method and terminal equipment |
| CN111866381B (en) * | 2020-07-08 | 2022-05-10 | Oppo广东移动通信有限公司 | Focusing method, device, equipment and computer readable storage medium |
| CN112261287B (en) * | 2020-10-10 | 2023-03-21 | Oppo（重庆）智能科技有限公司 | Zoom control method, device, electronic equipment and computer-readable storage medium |
| CN115150540B (en) * | 2021-03-30 | 2023-10-24 | 华为技术有限公司 | Shooting method, terminal device and computer readable storage medium |
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Also Published As
| Publication number | Publication date |
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| CN107408008A (en) | 2017-11-28 |
| WO2017113150A1 (en) | 2017-07-06 |
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